2004-07-28  Sven Neumann  <sven@gimp.org>

	Applied a patch from Brion Vibber that makes the TWAIN plug-in
	available on Mac OS X (bug #147962):

	* configure.in
	* plug-ins/Makefile.am: check for Mac OS X twain support.

	* plug-ins/twain/Makefile.am
	* plug-ins/twain/tw_local.h
	* plug-ins/twain/tw_mac.c
	* plug-ins/twain/tw_platform.h
	* plug-ins/twain/tw_win.c: new files with platform specific code.

	* plug-ins/twain/README
	* plug-ins/twain/tw_dump.[ch]
	* plug-ins/twain/tw_func.[ch]
	* plug-ins/twain/tw_util.[ch]
	* plug-ins/twain/twain.c: changed accordingly.

	* plug-ins/twain/gimp-twain.png: twain application icon used by
	the Mac port.

	* plug-ins/twain/tw_sess.c: removed, doesn't seem to be used.